Tool for measuring gap between stop pins of sliding plug door for electric passenger car

By designing a tooling for measuring the gap of the door stop pins of electric buses, and utilizing an inclined measuring part and a lead screw structure, the problem that existing equipment cannot adapt to the measurement of various vehicle models was solved, and high-precision gap measurement was achieved.

CN223678388UActive Publication Date: 2025-12-16JINAN ENG VOCATIONAL & TECH COLLEGE
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Patent Information

Application Number
CN202422637238.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-12-16
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing equipment for determining whether the clearance of the stop pins of subway doors meets the requirements cannot be adapted to the measurement of various car models, and the quality of maintenance is uncontrollable and unreliable.

Method used

A tooling for measuring the gap of a sliding door stop pin in an electric bus was designed, including a first measuring part and a second measuring part. Through the inclined measuring part and the middle part, combined with a lead screw and knob structure, the tooling can accurately measure narrow gaps.

Benefits of technology

It improves the adaptability and accuracy of measurement, enabling it to adapt to gap measurements of different vehicle models and ensuring the reliability and accuracy of measurement results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rail transit, and provides a sliding plug door stop pin gap measuring tool for an electric passenger car, which comprises a first measuring piece and a second measuring piece, and the first measuring piece and the second measuring piece are respectively provided with a first measuring part, a second measuring part and a middle part. The first measuring part and the second measuring part are respectively used for measuring the left-right gap and the up-down gap of the vehicle door stop pin gap, the first measuring part and the middle part are arranged in an inclined manner, the second measuring part and the middle part are arranged in an inclined manner, the end part of the screw rod is rotatably arranged on the first measuring part, and the second measuring part is arranged on the screw rod in a threaded manner. According to the technical scheme, the problem that existing equipment has high limitation and cannot adapt to measurement of various vehicle types is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit technical field, specifically, relate to a kind of electric passenger car with sela door stop pin clearance measurement frock. BACKGROUND

[0002] The subway vehicle door has a stop pin in the front lower part of each door, and the stop pin cooperates with the groove in the door sill block when the door is closed. The fixing device can prevent the door leaf from deviating in this area (caused by lateral force), and other deviations of any point on the door leaf will also be reduced due to the fixing device. To avoid the stop pin affecting the normal opening and closing stroke of the door, the structure design requires a reasonable gap with the door sill block. However, in the prior art, when judging whether the two gaps meet the requirements, visual inspection is generally used. However, the traditional visual inspection method for inspecting the stop pin gap of the subway door has the problems of uncontrollable and unreliable inspection quality. Therefore, the existing equipment has strong limitations and cannot adapt to the measurement of various vehicle types. SUMMARY

[0003] The utility model provides a kind of electric passenger car with sela door stop pin clearance measurement frock, solve the problem that existing equipment has strong limitations and cannot adapt to the measurement of various vehicle types.

[0004] The technical scheme of the utility model is as follows:

[0005] A kind of electric passenger car with sela door stop pin clearance measurement frock, including first measuring piece and second measuring piece, the first measuring piece and the second measuring piece all have first measuring part, second measuring part and intermediate part, the first measuring part and the second measuring part are used to measure the left and right gap and the upper and lower gap of door stop pin gap respectively, and the first measuring part is arranged obliquely relative to the intermediate part, the second measuring part is arranged obliquely relative to the intermediate part, further include end portion rotation setting on the second measuring piece screw rod, the first measuring piece is screw set on the screw rod.

[0006] As a further technical scheme, the included angle between the first measuring part and the intermediate part is in the range of 90°-135°, and the included angle between the second measuring part and the intermediate part is in the range of 90°-135°.

[0007] As a further technical scheme, the plane in which the first measuring part and the intermediate part lie is perpendicular to the plane in which the second measuring part and the intermediate part lie.

[0008] As a further technical scheme, the first measuring piece has a guide groove, the second measuring piece is provided with a guide rod, and the end of the guide rod away from the second measuring piece is inserted into the guide groove and forms a guide fit with the guide groove.

[0009] As a further technical solution, the two ends of the guide groove are provided with protrusions.

[0010] As a further technical solution, a first knob is arranged on the lead screw.

[0011] As a further technical solution, it further comprises:

[0012] A second knob is arranged on the second measuring member.

[0013] A transmission assembly is arranged between the first knob and the second knob.

[0014] As a further technical solution, the second measuring member is provided with a mounting groove, a sliding block is arranged in the mounting groove, the second knob is arranged on the sliding block, an elastic member is arranged in the mounting groove, one end of the elastic member is arranged on the second measuring member, and the other end of the elastic member is arranged on the sliding block, so as to provide a force for the sliding block to move away from the first knob.

[0015] As a further technical solution, the transmission assembly comprises a first pulley arranged on the first knob and a second pulley arranged on the second knob, and a transmission belt is arranged between the first pulley and the second pulley.

[0016] 1As a further technical solution, the guide rod is provided with a scale.

[0017] The working principle and beneficial effects of the utility model are as follows:

[0018] In the utility model, since the gap between the blocking pins is narrow during measurement, ordinary measuring tools cannot be inserted into the gap for measurement. The first measuring member and the second measuring member are inserted into the gap for measurement, the first measuring member and the second measuring member are arranged in parallel, the distance between the first measuring member and the second measuring member can be adjusted by rotating the lead screw, during measurement, the first measuring part or the second measuring part can be inserted into the gap, the lead screw is rotated, the two first measuring parts or the two second measuring parts can be tightly pressed against the two sides of the gap, then the distance between the first measuring member and the second measuring member is taken out and measured to accurately calculate the size of the gap, the utility model has higher adaptability and precision, and can adapt to different vehicle gap measurements. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0020] Figure 1 It is a first perspective structure schematic view of the utility model;

[0021] Figure 2 It isFigure 1 A magnified schematic diagram of the structure at point A;

[0022] Figure 3 This is a schematic diagram of the structure of the second measuring component of this utility model;

[0023] Figure 4 This is a schematic diagram of the second-view structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the measurement process structure of this utility model;

[0025] Figure 6 This is a schematic diagram of the third-view structure of this utility model.

[0026] In the figure: 1. First measuring component, 2. Second measuring component, 3. First measuring part, 4. Second measuring part, 5. Middle part, 6. Lead screw, 7. Guide groove, 8. Guide rod, 9. Protrusion, 10. First knob, 11. Transmission assembly, 12. Mounting groove, 13. First pulley, 14. Slider, 15. Second pulley, 16. Transmission belt, 17. Elastic element. Detailed Implementation

[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0028] Example

[0029] like Figures 1-6 As shown, this embodiment proposes...

[0030] The technical solution of this utility model is as follows:

[0031] A fixture for measuring the gap of a door stop pin in an electric bus is characterized by comprising a first measuring element 1 and a second measuring element 2. Both the first measuring element 1 and the second measuring element 2 have a first measuring part 3, a second measuring part 4, and a middle part 5. The first measuring part 3 and the second measuring part 4 are respectively used to measure the left-right gap and the up-down gap of the door stop pin. The first measuring part 3 and the middle part 5 are arranged at an incline, and the second measuring part 4 and the middle part 5 are also arranged at an incline. The fixture also includes a lead screw 6 with its end rotatably mounted on the second measuring element 2. The first measuring element 1 is threaded onto the lead screw 6, and the lead screw 6 is rotatably mounted on the middle part 5 of the first measuring element 1. The second measuring element 2 has a threaded hole, and the second measuring element 2 is threaded onto the lead screw 6 through the threaded hole.

[0032] In the embodiment, since the gap between the blocking pins is narrow, common measuring tools cannot be inserted into the gap for measurement, and the first measuring part 3 and the second measuring part 4 are both inclinedly arranged with the middle part 5, so that the first measuring member 1 and the second measuring member 2 can be inserted into the gap for measurement, the first measuring member 1 and the second measuring member 2 are arranged in parallel, the distance between the first measuring member 1 and the second measuring member 2 can be adjusted by rotating the lead screw 6, and the first measuring member 1 and the second measuring member 2 can be taken out and measured to accurately calculate the size of the gap after the two first measuring parts 3 or the two second measuring parts 4 are tightly abutted with the two sides of the gap, so that the scheme has higher adaptability and precision and can adapt to the gap measurement of different vehicle models.

[0033] Further, the inclination angle of the first measuring part 3 and the middle part 5 and the inclination angle of the second measuring part 4 and the middle part 5 range from 90° to 135°.

[0034] In the embodiment, the inclination angle of the first measuring part 3, the second measuring part 4 and the middle part 5 ranges from 90° to 135°, when the measuring angle is 90°, the device will be close to the vehicle door during the measurement process, when the angle is 135°, the device will be close to the ground during the measurement process, and similarly, when the angle range is less than 90° or greater than 135°, the measurement cannot be basically realized, so the optimal effect of the scheme is that the angle ranges from 90° to 135°.

[0035] Further, the plane where the first measuring part 3 and the middle part 5 are located is perpendicular to the plane where the second measuring part 4 and the middle part 5 are located.

[0036] In the embodiment, during the measurement process, since the measurement gap is below the vehicle door, in order to further facilitate measurement, the first measuring part 3 and the second measuring part 4 of the scheme are arranged perpendicularly, when the first measuring part 3 measures in the gap, the position of the second measuring part 4 will not be close to the vehicle door, which is convenient for operation.

[0037] Further, the first measuring member 1 has a guide groove 7, and the device further comprises a guide rod 8 arranged on the second measuring member 2 and slidingly arranged in the guide groove 7.

[0038] In the embodiment, in order to further increase the stability of the device, the scheme is provided with the guide groove 7 on the first measuring member 1, and the guide rod 8 slides in and out of the guide groove 7 with the adjustment of the lead screw 6, so that the second measuring member 2 can always keep parallel with the first measuring member 1, and the device has higher stability.

[0039] Further, the guide groove 7 is an arc-shaped groove, both ends of the guide groove 7 are provided with protrusions 9, after the guide rod 8 slides in the guide groove 7, the guide rod 8 abuts against the protrusion 9 at one end of the guide groove 7, and after the guide rod 8 slides from one end to the other end of the guide groove 7, the first measuring element 1 and the second measuring element 2 rotate relative to each other by 90°.

[0040] In the embodiment, the protrusions 9 are arranged at both ends of the guide groove 7, the protrusions 9 can clamp the guide rod 8 into the ends of the guide groove 7, and the protrusions 9 and the guide rod 8 are in interference fit, which can clamp the second measuring element 2, so that the second measuring element 2 and the first measuring element 1 can be kept stable during parallel arrangement and vertical arrangement, when the gap to be measured is small, the first measuring element 1 and the second measuring element 2 are arranged vertically, and the first measuring element 1 or the second measuring element 2 is used for single measurement.

[0041] Further, the first knob 10 is arranged on the lead screw 6, the first knob 10 is located at the end of the lead screw 6, and the first knob 10 is provided with anti-skid corrugations.

[0042] In the embodiment, the first knob 10 is arranged at the end of the lead screw 6, the lead screw 6 can be rotated by rotating the knob, and the anti-skid corrugations are arranged on the knob, so that the scheme is more labor-saving during adjustment.

[0043] Further, the first knob 10 is arranged on the lead screw 6, the first knob 10 is located at the end of the lead screw 6, and the first knob 10 is provided with anti-skid corrugations.

[0044] The transmission assembly 11 is arranged on the first knob 10, and the transmission assembly 11 is used to drive the first knob 10 to rotate.

[0045] In the embodiment, the transmission assembly 11 is arranged on the first knob 10, when one side of the first knob 10 is located in a narrow space, the distance between the first measuring element 1 and the second measuring element 2 can be adjusted by adjusting the transmission assembly 11 to drive the first knob 10 to rotate, so that the distance between the first measuring element 1 and the second measuring element 2 can be adjusted for measurement.

[0046] Further, the second measuring element 2 has a mounting groove 12, the first knob 10 is provided with a first pulley 13, and the transmission assembly 11 includes:

[0047] The sliding block 14 is slidingly arranged in the mounting groove 12;

[0048] The second pulley 15 is rotatably arranged on the sliding block 14;

[0049] The transmission belt 16 is arranged around the first pulley 13 and the second pulley 15;

[0050] The elastic element 17 is arranged at one end of the second measuring element 2 and at the other end of the sliding block 14, and is used to provide a force for moving the second pulley 15 away from the first pulley 13;

[0051] The second knob is arranged on the second pulley 15, and the first knob 10 and the second knob are respectively located at two ends of the middle part 5.

[0052] In the embodiment, the scheme is arranged with the mounting groove 12 on the first knob 10, arranged with the sliding block 14 and the elastic member 17 in the mounting groove 12, and connected with the first pulley 13, the second pulley 15 and the transmission belt 16 between the second knob and the first knob 10, so that when the first knob 10 is located in a narrow space, the measurement adjustment can be made by rotating the second pulley 15, and when the second knob is located in a narrow space, the adjustment can be made by rotating the first knob 10, and with the use and wear, the belt will be loose to affect the adjustment efficiency, and the elastic force of the sliding block 14 provided by the elastic member 17 can keep the first pulley 13 and the second pulley 15 in a tensioned state.

[0053] Further, the measurement thickness of the first measurement part 3 and the second measurement part 4 is 1mm.

[0054] In the embodiment, in order to make the first measurement part 1 and the second measurement part 2 more accurate when measuring separately, the measurement thickness of the first measurement part 3 and the second measurement part 4 of the scheme is set to 1mm.

[0055] Further, the guide rod 8 has two rows of scales, one row for indicating the size of the first measurement part 3 and the other row for indicating the size of the second measurement part 4.

[0056] In the embodiment, in order to calculate the measurement result more quickly, the scheme is arranged with scales on the guide rod 8, and the size of the gap can be calculated according to the scales on the guide rod 8 directly.

[0057] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gap measuring tool for a plug door check pin of an electric passenger car, characterized in that, The utility model provides a kind of door gap measuring device, including first measuring piece (1) and second measuring piece (2), the first measuring piece (1) and the second measuring piece (2) both have first measuring part (3), second measuring part (4) and intermediate part (5), the first measuring part (3) and the second measuring part (4) are respectively used to measure the left and right gap and the upper and lower gap of door stop pin gap, and the first measuring part (3) is arranged obliquely relative to the intermediate part (5), the second measuring part (4) is arranged obliquely relative to the intermediate part (5), still including end rotationally arranged on the second measuring piece (2) screw rod (6), the first measuring piece (1) is threadedly arranged on the screw rod (6).

2. The gap measuring tool for a plug door of a railway vehicle according to claim 1, wherein The included angle between the first measuring part (3) and the intermediate part (5) ranges from 90° to 135°, and the included angle between the second measuring part (4) and the intermediate part (5) ranges from 90° to 135°.

3. The gap measuring tool for a plug door of a railcar according to claim 1, wherein The plane where the first measuring part (3) and the intermediate part (5) are located is perpendicular to the plane where the second measuring piece (2) and the intermediate part (5) are located.

4. The gap measuring tool for a plug door of a railcar according to claim 1, wherein The first measuring piece (1) has a guide slot (7), the second measuring piece (2) is provided with a guide rod (8), and the end of the guide rod (8) away from the second measuring piece (2) is inserted into the guide slot (7) and forms a guide fit with the guide slot (7).

5. The gap measuring tool for a plug door of a railcar according to claim 4, wherein Both ends of the guide slot (7) have protrusions (9).

6. The gap measuring tool for a plug door of a rail car according to claim 1, wherein It also includes a first knob (10) provided on the screw rod (6).

7. The gap measuring tool for a plug door of a railway vehicle according to claim 6, wherein It also includes: A second knob is provided on the second measuring piece (2); A transmission assembly (11) is provided between the first knob (10) and the second knob.

8. The gap measuring tool for a plug door of a railway vehicle according to claim 7, wherein The second measuring piece (2) has a mounting slot (12), a sliding block (14) is slidably arranged in the mounting slot (12), the second knob is arranged on the sliding block (14), and a resilient member (17) is arranged in the mounting slot (12), one end of the resilient member (17) is arranged on the second measuring piece (2), the other end is arranged on the sliding block (14), and the resilient member (17) provides a force for the sliding block (14) to move away from the first knob (10).

9. The gap measuring tool for a plug door of a rail car according to claim 7, wherein, The transmission assembly (11) includes a first pulley (13) arranged on the first knob (10) and a second pulley (15) arranged on the second knob, and a transmission belt is arranged between the first pulley (13) and the second pulley (15).

10. The gap measuring tool for a plug door of a rail car according to claim 5, wherein, The guide rod has a scale.